Ultrasonic Flow Meters

20+ Years Manufacturing Experience

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  • How to use the flow rate frequency output ?

    Only For Flow Rate Output. TF1100-EP also can provide a frequency output transmitter function. The find accessory OCT output connect cable, white is +, black is GND, refer to below wiring diagram Figure 5.1, A, B is DC power supply based on pulse receiver voltage, 5-24V is allowable. C,D is pulse...
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  • How to use the 4-20mA output ?

    Refer to Menu 53, 54, 55, 56, 57, 58. Possessing a current loop output exceeding an accuracy of 0.1%, the TF1100 is programmable and configurable with multiple output modules such as 4 ~20mA or 0~20mA. Select in Window M54. For details, please refer to Part 4 – Windows Display Explanations. In Wi...
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  • How to setup a zero point calibration ?

    It is necessary to establish the true zero flow condition and program that set point into the instrument. If the zero set point is not at true zero flow, a measurement difference may occur. Because every flow meter installation is slightly different and sound waves can travel in slightly differen...
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  • How to judge the liquid flow direction for our flow meter ?

    Make sure that the instrument works properly Check the flow rate for the indication. If the displayed value is positive, the direction of the flow will be from the UP transducer to the Down transducer; if the displayed value is negative, the direction will be from the Down transducer to the UP tr...
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  • Temperature sensor installation

    (a) 6.2.1 CLAMP-ON TEMPERATURE SENSOR When determining the installation position of temperature sensor, we should pay attention to the pipeline surface. Pipeline surface must be clean before installing temperature sensor, then use belts to fix temperature sensor. (b) 6.2.2 INSERTION TEMPERATURE S...
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  • One standard set of portable flow meter includes:

    Soft case, portable transmitter, standard transducers, couplant, stainless steel belt, charger, 4-20mA output cable terminals, etc. The flow meter is equipped with a rechargeable lithium battery. This battery will require charging before initial operation. Apply 110-230VAC power, utilizing the en...
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  • Relay output for portable Doppler flow meter

    (If portable flow meter needs this functionality, please make a statement when placing orders) Please refer to 4.3.14 Dual Relay Configuration to see Menu Configuration. The relay operations are user configured via the front panel to act in flow rate alarm or error alarm, power supply interruptio...
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  • Portable flow meter transducer cables

    After the transducers A and B inserting into the pipe, the sensor cables should be routed to the transmitter location. Verify that the supplied cable length is sufficient to meet the installation requirements. While transducer cable extension is not generally recommended, if additional transducer...
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  • Couplant of portable flow meter

    Assure an acoustically conductive path between the transducer face and the prepared piping surface, a coupling compound is employed. Enclosed with the Doppler flow meter system is tube of Dow Corning 111, silicone grease. This couplant is satisfactory for temporarily mounting the transducers to t...
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  • The installation of clamp on flow sensors transducers of portable Doppler flow meter

    1. Place each transducer under the strap with the flat face positioned towards the pipe. The notch on the back of the transducer will provide a mounting surface for the strap. The transducer cables must be facing in the same direction for proper operation. NOTE: Large pipes may require two people...
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  • PT1000 TEMPERATURE SENSOR of portable flow meter

    TF1100 heat meter utilizes two PT1000 temperature sensors, and the temperature sensors are matching. Temperature sensor cable is provided by manufacturer, and the standard length is 10m. For measurement accuracy, test security, convenient maintenance, and not affect equipment operation and produc...
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  • Installation Precautions of ultrasonic energy meter

    1. alve installation before and after heat meter and filter, easy for heat meter maintenance and filter cleaning. 2. Please notice valve opening sequence: open slowly valve before heat meter in inlet water side firstly, then open valve after heat meter outlet water side. Finally open valve in bac...
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